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公开(公告)号：US20210305633A1
公开(公告)日：2021-09-30
申请号：US17345077
申请日：2021-06-11
发明人： Qing XIA , Jiang Liu , Guobao Wang , Xiaomei Liu , Yongshou Lin
IPC分类号： H01M10/0587 , H01M10/0525 , H01M4/36 , H01M4/62
摘要： The present application discloses a wound electrode assembly, wherein the negative electrode plate thereof includes a negative electrode current collector and a negative active material layer which includes a negative active material disposed on two opposite surfaces of the negative electrode current collector; and the two negative active material layers respectively include active an material layer in an unpaired region and an active material layer in a paired region distributed successively in the length direction of the negative electrode plate, and two active material layers in the unpaired regions are arranged at both ends in the length direction of the negative electrode plate, and a first metallic lithium layer is disposed on the surface of one or both of the active material layers in the unpaired regions, so that to form a first lithium pre-intercalation compound in either or both of the active material layers in the unpaired regions.
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公开(公告)号：US20210119290A1
公开(公告)日：2021-04-22
申请号：US17137122
申请日：2020-12-29
发明人： Dongyang SHI , Haizu Jin , Rui Yang , Fei Hu , Peng Wang , Yuqun Zeng , Yongshou Lin
IPC分类号： H01M50/183 , H01M50/10 , H01M50/20
摘要： The present disclosure provides a battery pack and a vehicle. The battery pack comprises a battery module, a box assembly and a first adhesive member. The battery module comprises first batteries arranged sequentially in a horizontal direction. The first battery comprises an electrode assembly and a case, and the electrode assembly is received in the case. The electrode assembly comprises a first electrode plate, a second electrode plate and a separator. The box assembly has a connection portion, and the connection portion is positioned at a side of the battery module in the vertical direction. An outer surface of the case comprises a first surface, and the first surface is connected with the connection portion via the first adhesive member. An area A of the first surface and an elastic modulus B of the first adhesive member satisfy a relationship: 0.02 cm2/MPa≤A/B≤9 cm2/MPa.
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公开(公告)号：US10516151B2
公开(公告)日：2019-12-24
申请号：US15435681
申请日：2017-02-17
发明人： Quankun Li , Pinghua Deng , Peng Wang , Jian Guo , Lingbo Zhu , Yongshou Lin
摘要： The present application provides a top cover of power battery, including top cover plate, first electrode unit and second electrode unit, the first electrode unit includes insulation piece, conductive plate, deformable plate and sealing piece, the top cover plate is provided with deformable plate connecting hole and fixing hole, the deformable plate seals the deformable plate connecting hole, the insulation piece is provided with top cover plate connecting portion and conductive plate connecting portion, the insulation piece is fixed underneath the top cover plate through cooperation of top cover plate connecting portion and fixing hole, the conductive plate is insulated from and fixed with the top cover plate through the conductive plate connecting portion, the conductive plate is electrically connected with the deformable plate, the sealing piece seals path from the fixing hole to interior of the power battery passing through gap between insulation piece and top cover plate.
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公开(公告)号：US10249870B2
公开(公告)日：2019-04-02
申请号：US15409384
申请日：2017-01-18
发明人： Jiandong Yang , Wei Li , Haizu Jin , Yu Luo , Yongshou Lin , Kai Wu
摘要： The present application relates to an electrode sheet for Li-ion battery and a Li-ion battery including the same. The Li-ion battery includes a current collector and a diaphragm layer coated on the current collector, the current collector includes a coating region and at least one electrode tab region, the coating region is a region of the current collector coated with the diaphragm layer; the coating region is adjoined with the electrode tab region, a stress releasing region is provided at adjoining position of the coating region and at least one electrode tab region. The stress releasing region provided by the present application can reduce stress received by the diaphragm during rolling and stretching processes, which can avoid cracking of electrode tab and electrode sheet, and can improve battery cycling performance and, at the same time, can also be fused in short circuit, thereby improving safety performance of the battery.
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公开(公告)号：US12119457B2
公开(公告)日：2024-10-15
申请号：US18525335
申请日：2023-11-30
发明人： Haotian Xie , Xin Sun , Yongshou Lin
CPC分类号： H01M10/4235 , H01M4/131 , H01M4/5825 , H01M10/0525 , H01M2004/021 , H01M2004/028
摘要： A secondary battery includes a positive electrode plate and an electrolyte solution. The positive electrode plate includes a positive current collector and a positive electrode film provided on at least one surface of the positive current collector. The positive electrode film includes a positive electrode active material and a lithium supplement. The lithium supplement includes at least one of substances represented by formula (I) below, and the positive electrode film and/or electrolyte solution comprises one or more nitrone derivatives, a molecule of each of which includes a structure represented by formula (II) below:
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公开(公告)号：US11996545B2
公开(公告)日：2024-05-28
申请号：US17416026
申请日：2019-02-26
发明人： Longfei Yang , Guobao Wang , Xiaomei Liu , Jiang Liu , Yongshou Lin , Fenggang Zhao
IPC分类号： H01M4/134 , H01M4/02 , H01M4/133 , H01M4/136 , H01M4/36 , H01M4/38 , H01M4/58 , H01M4/587 , H01M10/0525 , H01M10/42
CPC分类号： H01M4/134 , H01M4/133 , H01M4/366 , H01M4/382 , H01M4/587 , H01M10/0525 , H01M2004/027 , H01M4/136 , H01M4/5825 , H01M2010/4292
摘要： An electrode assembly and a lithium-ion battery are described. The electrode assembly includes a positive electrode plate, a separator, and a negative electrode plate, where the negative electrode plate includes a negative electrode current collector and a negative electrode active substance layer, the negative electrode plate further includes a lithium metal layer, the lithium metal layer is formed by a plurality of regular or irregular strip-shaped lithium-rich regions, and the plurality of lithium-rich regions present a discontinuous pattern of spaced distribution in a length direction of the negative electrode plate. The electrode assembly further satisfies that: negative electrode capacity per unit area/positive electrode capacity per unit area=1.2 to 2.1 and negative electrode capacity per unit area/(positive electrode capacity per unit area+capacity of the lithium metal layer on the surface of the negative electrode active substance layer per unit area× 80%)≥ 1.10.
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7.发明授权公开(公告)号：US11967725B2
公开(公告)日：2024-04-23
申请号：US17878293
申请日：2022-08-01
发明人： Xiaobo Chen , Fenggang Zhao , Yao Li , Peng Wang , Zhanyu Sun , Yongshou Lin
IPC分类号： H01M50/20 , H01M10/613 , H01M10/625 , H01M10/6554 , H01M50/342 , H01M50/502 , H01M10/615 , H01M10/623 , H01M10/643 , H01M10/647 , H01M10/653 , H01M10/6556 , H01M50/209 , H01M50/247 , H01M50/249 , H01M50/367 , H01M50/375 , H01M50/55
CPC分类号： H01M50/20 , H01M10/613 , H01M10/625 , H01M10/6554 , H01M50/3425 , H01M50/502 , H01M10/615 , H01M10/623 , H01M10/643 , H01M10/647 , H01M10/653 , H01M10/6556 , H01M50/209 , H01M50/247 , H01M50/249 , H01M50/342 , H01M50/367 , H01M50/375 , H01M50/55 , H01M2220/20 , Y02E60/10
摘要： Embodiments of the present application provide a case of a battery, a battery, a power consumption device, and a method and device for preparing a battery. The case includes: an electrical chamber configured to accommodate a plurality of battery cells and a bus component, where at least one battery cell of the plurality of battery cells includes a pressure relief mechanism; a thermal management component configured to accommodate a fluid to adjust temperatures of the plurality of battery cells; and a collection chamber configured to collect, when the pressure relief mechanism is actuated, emissions from the battery cell provided with the pressure relief mechanism; where the thermal management component is configured to isolate the electrical chamber from the collection chamber. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.
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公开(公告)号：US11296385B2
公开(公告)日：2022-04-05
申请号：US17353933
申请日：2021-06-22
发明人： Haizu Jin , Linggang Zhou , Peng Wang , Dongyang Shi , Xingdi Chen , Fei Hu , Fenggang Zhao , Yanhuo Xiang , Yongshou Lin
IPC分类号： H01M50/209 , H01M10/613 , H01M10/6556 , H01M50/533 , H01M50/591
摘要： The embodiments of the present disclosure provide a battery module and a battery pack. A battery module includes: a cooling component; and a battery group, comprising secondary batteries disposed side by side in a first direction and each including a case having an accommodating hole, an electrode assembly disposed in the accommodating hole, and a cap assembly, the electrode assembly including two end faces disposed opposite to each other in a second direction intersecting the first direction and an electrode tab extending from each end face. The secondary batteries each includes two sides opposite to each other in the second direction, the cooling component is disposed on at least one of the two sides, the cooling component and the end face are respectively disposed on two sides of the case in the second direction, and the cooling component is connected and fixed to each of the secondary batteries.
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公开(公告)号：US20190221813A1
公开(公告)日：2019-07-18
申请号：US16234955
申请日：2018-12-28
发明人： Jiandong Yang , Jian Guo , Chengyou Xing , Xiaowen Zhang , Haizu Jin , Yongshou Lin
IPC分类号： H01M2/20
CPC分类号： H01M2/202 , H01M2/263 , H01M10/0525 , H01M2200/20
摘要： A connection member and a rechargeable battery are provided. The connection member includes a guide plate, two first connection plates and a second connection plate; the two first connection plates are respectively connected to two sides of the guide plate in a width direction and are arranged bendably with respect to the guide plate; the second connection plate is connected to an upper end of the guide plate in a height direction Z, and the top ends of the two first connection plates are at different heights. In some examples, overcurrent capability of the connection member and rapid charging capability and safety performance of the rechargeable battery can be improved.
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公开(公告)号：US11721811B2
公开(公告)日：2023-08-08
申请号：US17132506
申请日：2020-12-23
发明人： Yaping Huang , Mingkui Guo , Yaohui Wang , Yongshou Lin , Fenggang Zhao
CPC分类号： H01M4/661 , H01M4/133 , H01M4/134 , H01M4/366 , H01M10/0525 , H01M2004/021 , H01M2004/027
摘要： The present application relates to the electrochemical field, and in particular, to a negative electrode plate and a secondary battery including the electrode plate. The present application provides a negative electrode plate. The negative electrode plate includes a negative electrode current collector, a first negative electrode active substance layer disposed on at least one surface of the negative electrode current collector, and a second negative electrode active substance layer disposed on the first negative electrode active substance layer. The first negative electrode active substance layer includes a first negative electrode active substance, and the second negative electrode active substance layer includes a second negative electrode active substance. The first negative electrode active substance satisfies 1 GPa≤Young's modulus≤10 GPa, and the second negative electrode active substance satisfies 11 GPa≤Young's modulus≤30 GPa.
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